Not bad for a cheap item. I suggest taking your time putting it on, dont do it if youre in a rush. Very dysfunctional, majority of the time the microphone did not work causing me to turn it off and on again until the function came back, until one day, 5 months after I purchased them after a full charge they simply did not turn on. If you wait a while looking for a spot the adhesion dries so make sure you know where u want tht While most wireless headsets are with too much latency thus they cant work in live streaming. soy 3 1/2 mexicano y pedi los 6 1/2 y me quedaron super bien ??Sí los recomiendo! Yes, I mounted it on normal glass, no tint film or stickers on the glass. She hates having it in her ears, like all cleaning products, though! They can be used while wearing a hat. Good product and it works for my small closet door very well.